CN213367456U - Charger circuit for power-concentrated motor train unit control vehicle - Google Patents
Charger circuit for power-concentrated motor train unit control vehicle Download PDFInfo
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- CN213367456U CN213367456U CN202022279734.1U CN202022279734U CN213367456U CN 213367456 U CN213367456 U CN 213367456U CN 202022279734 U CN202022279734 U CN 202022279734U CN 213367456 U CN213367456 U CN 213367456U
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Abstract
The utility model discloses a charger circuit for a power-concentrated motor train unit control vehicle, which comprises an auxiliary power supply, a storage battery, a normally-open first contactor, a first DC/DC converter, a second DC/DC converter, a first circuit breaker, a second circuit breaker and a third circuit breaker; the output end of the auxiliary power supply is electrically connected with the first end of the first DC/DC converter through a first contactor, and the second end of the first DC/DC converter is electrically connected with the first end of the second DC/DC converter; the first end of the first circuit breaker is electrically connected with the second end of the second DC/DC converter, and the second end of the first circuit breaker is electrically connected with a power supply end of a passenger compartment load; the storage battery is connected between the first DC/DC converter and the second DC/DC converter through a third circuit breaker; and a first end of the second circuit breaker is electrically connected with a second end of the second DC/DC converter, and a second end of the second circuit breaker is electrically connected with a power supply end of a control system between the cab and the equipment. The utility model provides high space and the weight utilization ratio of whole car have improved the power supply reliability.
Description
Technical Field
The utility model belongs to the rail transit field, in particular to automobile-used machine circuit that charges of power centralized motor train unit control.
Background
A charger on rail transit vehicle equipment is mainly used for charging a vehicle storage battery and providing a 110V/24V control power supply for a system.
The control power consumption equipment of the control vehicle of the power-concentrated motor train unit comprises control system power consumption of a cab and equipment room and passenger room carriage load power consumption, aiming at the two types of power consumption loads, the currently adopted power supply mode is that the two types of power consumption loads are respectively and independently supplied with power, namely, on the control vehicle, a set of storage battery and a charger are configured aiming at the control system power consumption of the cab and the equipment room; and a set of storage battery and a charger are configured for the load electricity utilization of the passenger compartment. The charger circuit causes low space and weight utilization rate of the whole vehicle and poor integrated maintainability.
In addition, the existing charger circuit for controlling the vehicle has low power supply reliability, and if no auxiliary power supply supplies power and the storage battery is in short of power, the charger circuit cannot supply power, so that a control system between a driver cab and equipment and a passenger compartment can not work normally, and the running of the vehicle on a line is influenced
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power is concentrated EMUs control car and is used machine circuit that charges to the not enough of above-mentioned prior art.
For solving the technical problem that space and weight utilization rate are low that current power concentrates motor train unit control car to use machine circuit, the utility model discloses the technical scheme who adopts is:
a charger circuit for a control vehicle of a power-concentrated motor train unit comprises an auxiliary power supply, a storage battery, a normally-open first contactor, a first DC/DC converter, a second DC/DC converter, a first circuit breaker, a second circuit breaker and a third circuit breaker; the output end of the auxiliary power supply is electrically connected with the first end of the first DC/DC converter through a first contactor, and the second end of the first DC/DC converter is electrically connected with the first end of the second DC/DC converter; the first end of the first circuit breaker is electrically connected with the second end of the second DC/DC converter, and the second end of the first circuit breaker is electrically connected with a power supply end of a passenger compartment load; the storage battery is connected between the first DC/DC converter and the second DC/DC converter through a third circuit breaker; the structure is characterized in that the first end of the second breaker is electrically connected with the second end of the second DC/DC converter, and the second end of the second breaker is electrically connected with a power supply end of a control system between the cab and the equipment.
Borrow by above-mentioned structure, the whole car of control car sets up one set of battery and a machine that charges, the utility model discloses control system and the power supply of guest room carriage load to power centralized motor train unit control car cab and equipment room carry out centralized processing to the space and the weight utilization ratio of whole car have been improved.
And further, the direct current-direct current converter further comprises an anti-reverse diode, wherein the anode of the anti-reverse diode is electrically connected with the second end of the first DC/DC converter, and the cathode of the anti-reverse diode is electrically connected with the first end of the second DC/DC converter.
The anti-reverse diode can prevent current from reversely flowing, and improves the working reliability.
Further, in order to improve the power supply reliability, an electrical connection point for electrically connecting with a direct current power supply on an adjacent trailer is arranged between the cathode of the anti-reverse diode and the first end of the second DC/DC converter.
Furthermore, in order to improve the power supply reliability, the system also comprises a single-pole double-throw change-over switch, a fixed contact of the change-over switch is electrically connected with an anode of the anti-reverse diode, a first movable contact of the change-over switch is used for being electrically connected with an in-storage power supply or a motor train unit through direct current bus, and a second movable contact of the change-over switch is electrically connected with a second end of the first DC/DC converter.
Compared with the prior art, the utility model carries out centralized processing on the power supply of the control system between the driver cab and the equipment room of the power centralized motor train unit control vehicle and the load of the passenger compartment carriage, thereby improving the space and weight utilization rate of the whole vehicle; meanwhile, the power supply reliability is improved by improving the redundancy of the input power supply of the charger.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the power supply in the first operating mode of the present invention.
Fig. 3 is a schematic diagram of the power supply in the second operating mode of the present invention.
Fig. 4 is a schematic diagram of the power supply in the working mode of the present invention.
Fig. 5 is a schematic diagram of the power supply in the operating mode of the present invention.
The system comprises a power supply, a battery, a first DC/DC converter, a second DC/DC converter, an in-warehouse power supply, a passenger compartment load, a control system between a driver cab and equipment, a direct-current power supply on an adjacent trailer, a reverse diode V1, a change-over switch QS1, a first contactor KM1, a second contactor KM2, a first breaker MCB1, a second breaker MCB2, a third breaker MCB3 and a fourth breaker MCB4, wherein the power supply 1 is an auxiliary power supply, the battery 2 is a storage battery, the first DC/DC converter 3, the second DC/DC converter 4, the power supply in the warehouse, the direct-current power supply on the adjacent trailer, the reverse diode V.
Detailed Description
As shown in fig. 1, the charger circuit for the control vehicle of the power-concentrated motor train unit comprises an auxiliary power supply 1(DC600V), a storage battery 2, a normally-open first contactor KM1, a first DC/DC converter 3 (input DC600V and output DC110V), a second DC/DC converter 4 (input DC110V and output DC110V and DC24V), a first circuit breaker MCB1, a second circuit breaker MCB2 and a third circuit breaker MCB 3; an output end of the auxiliary power supply 1 is electrically connected with a first end of the first DC/DC converter 3 through a first contactor KM1, and a second end of the first DC/DC converter 3 is electrically connected with a first end of the second DC/DC converter 4; a first end of the first circuit breaker MCB1 is electrically connected with a second end of the second DC/DC converter 4, and a second end of the first circuit breaker MCB1 is electrically connected with a power supply end of the passenger compartment load 601(DC110V/DC 24V); the battery 2 is connected between the first DC/DC converter 3 and the second DC/DC converter 4 through a third circuit breaker MCB 3; a first terminal of the second circuit breaker MCB2 is electrically connected to a second terminal of the second DC/DC converter 4, and a second terminal of the second circuit breaker MCB2 is electrically connected to a power supply terminal of the control system 602 between the cab and the device.
The utility model discloses the whole car of control car sets up one set of battery 2 and a machine that charges, concentrates the power supply of the control system 602 and the guest room carriage load 601 between EMUs control car cab and equipment room to power and carries out centralized processing to improve the space and the weight utilization ratio of whole car.
The utility model discloses still including preventing reverse diode V1, prevent that reverse diode V1's positive pole is connected with the second end electricity of first DC/DC converter 3, prevent that reverse diode V1's negative pole is connected with the first end electricity of second DC/DC converter 4. The anti-reverse diode V1 can prevent the reverse current flow and improve the working reliability.
To improve the power supply reliability, an electrical connection point for electrically connecting with the direct current power supply 7(DC110V) on the adjacent trailer is arranged between the cathode of the anti-reverse diode V1 and the first end of the second DC/DC converter 4. The direct current power supply 7 on the adjacent trailer is used as an input power supply, and is switched on and off by a second contactor KM2 and a fourth breaker MCB 4.
In order to improve the power supply reliability, the system further comprises a single-pole double-throw change-over switch QS1, a fixed contact of the change-over switch QS1 is electrically connected with an anode of an anti-reverse diode V1, a first movable contact of the change-over switch QS1 is electrically connected with an in-garage power supply 5 or a motor train unit through a direct current bus, and a second movable contact of the change-over switch QS1 is electrically connected with a second end of the first DC/DC converter 3.
The first working mode is as follows:
as shown in fig. 2, when the auxiliary power supply 1 supplies power normally, an input power is provided by a DC600V train line, the on and off of the power supply loop is automatically controlled by a first contactor KM1, and the output DC110V passes through a first DC/DC converter 3 to charge a vehicle storage battery 2; the DC110V outputs DC110V and DC24V through the second DC/DC converter 4 to supply power to a control system 602 among a load 601 of a passenger compartment, a cab and equipment, and the switching of the storage battery 2 and the load of the whole vehicle is controlled by a first circuit breaker MCB1, a second circuit breaker MCB2 and a third circuit breaker MCB 3.
And a second working mode:
as shown in fig. 3, when no auxiliary power supply 1 supplies power, the battery 2 is preferentially used to discharge to provide control power of DC110V and DC24V for integer division, and the switching of the battery 2 and the load of the entire vehicle is controlled by the first circuit breaker MCB1, the second circuit breaker MCB2 and the third circuit breaker MCB 3.
And a third working mode:
as shown in fig. 4, when no auxiliary power supply 1 supplies power and the storage battery 2 is in power shortage, a 110V power supply of the adjacent section of trailer is connected to the charger through the trailer standby power interface to provide a control power supply for the system.
In addition, the DC110V power supply can be provided for the control train by penetrating the 110V bus of the whole train of motor train units (including all motor trains, trailers and control trains in the train).
And a fourth working mode:
as shown in fig. 5, if the overhaul warehouse where the motor train unit is parked has an in-warehouse 110V charging power supply, the in-warehouse power supply 5 is connected to the outside through a charging socket, and then the changeover switch QS1 is changed into an in-warehouse charging mode, and the in-warehouse power supply 5 charges the storage battery 2 and provides a control power supply for the system.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (4)
1. A charger circuit for a control vehicle of a power-concentrated motor train unit comprises an auxiliary power supply (1), a storage battery (2), a normally-open first contactor (KM1), a first DC/DC converter (3), a second DC/DC converter (4), a first circuit breaker (MCB1), a second circuit breaker (MCB2) and a third circuit breaker (MCB 3); the output end of the auxiliary power supply (1) is electrically connected with the first end of the first DC/DC converter (3) through a first contactor (KM1), and the second end of the first DC/DC converter (3) is electrically connected with the first end of the second DC/DC converter (4); a first end of the first circuit breaker (MCB1) is electrically connected with a second end of the second DC/DC converter (4), and a second end of the first circuit breaker (MCB1) is electrically connected with a power supply end of the passenger compartment load (601); the storage battery (2) is connected between the first DC/DC converter (3) and the second DC/DC converter (4) through a third circuit breaker (MCB 3);
it is characterized in that the preparation method is characterized in that,
a first end of the second circuit breaker (MCB2) is electrically connected with a second end of the second DC/DC converter (4), and a second end of the second circuit breaker (MCB2) is electrically connected with a power supply end of a control system (602) between the cab and the equipment.
2. The charger circuit for the control vehicle of the power-concentrated motor train unit according to claim 1, further comprising an anti-reverse diode (V1), wherein an anode of the anti-reverse diode (V1) is electrically connected with the second end of the first DC/DC converter (3), and a cathode of the anti-reverse diode (V1) is electrically connected with the first end of the second DC/DC converter (4).
3. The charger circuit for the control vehicle of the power-concentrated motor train unit according to claim 2, wherein an electrical connection point for electrically connecting with the direct-current power supply (7) on the adjacent trailer is arranged between the cathode of the anti-reverse diode (V1) and the first end of the second DC/DC converter (4).
4. The charger circuit for the control vehicle of the power-concentrated motor train unit according to claim 2, further comprising a single-pole double-throw (QS1) change-over switch (QS1), wherein a fixed contact of the QS1 is electrically connected with an anode of the anti-reverse diode (V1), a first movable contact of the QS1 is electrically connected with the in-garage power supply (5) or the motor train unit through a direct current bus, and a second movable contact of the QS1 is electrically connected with the second end of the first DC/DC converter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279734.1U CN213367456U (en) | 2020-10-14 | 2020-10-14 | Charger circuit for power-concentrated motor train unit control vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279734.1U CN213367456U (en) | 2020-10-14 | 2020-10-14 | Charger circuit for power-concentrated motor train unit control vehicle |
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| CN213367456U true CN213367456U (en) | 2021-06-04 |
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| CN202022279734.1U Active CN213367456U (en) | 2020-10-14 | 2020-10-14 | Charger circuit for power-concentrated motor train unit control vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543545A (en) * | 2021-06-29 | 2021-10-22 | 中国铁路兰州局集团有限公司 | Unpowered marshalling test power module of 160 kilometer power centralized motor train unit |
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2020
- 2020-10-14 CN CN202022279734.1U patent/CN213367456U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543545A (en) * | 2021-06-29 | 2021-10-22 | 中国铁路兰州局集团有限公司 | Unpowered marshalling test power module of 160 kilometer power centralized motor train unit |
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